{"id":"W3193287429","doi":"10.1128/spectrum.00291-21","title":"Pre-Vaccine Positivity of SARS-CoV-2 Antibodies in Alberta, Canada during the First Two Waves of the COVID-19 Pandemic","year":2021,"lang":"en","type":"article","venue":"Microbiology Spectrum","topic":"SARS-CoV-2 and COVID-19 Research","field":"Medicine","cited_by":29,"is_retracted":false,"has_abstract":true,"ca_institutions":"Public Health Agency of Canada; University of Calgary; Ministry of Health; Alberta Hospital Edmonton; University of Alberta","funders":"Alberta Precision Laboratories; Government of Alberta","keywords":"Pandemic; Coronavirus disease 2019 (COVID-19); Vaccination; Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); Serology; Virology; Population; 2019-20 coronavirus outbreak; Medicine; Demography; Antibody; Environmental health; Immunology; Outbreak; Internal medicine; Infectious disease (medical specialty); Disease","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003411168,0.0002100225,0.0005617722,0.00009994511,0.0001528091,0.000006990771,0.0003611448,0.0001264281,0.00001926077],"category_scores_gemma":[0.0004706956,0.0001299498,0.0001435117,0.0004592517,0.0003371296,0.00002999893,0.0003428289,0.000461148,0.00000300392],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004254933,"about_ca_system_score_gemma":0.001720195,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.6244365,"about_ca_topic_score_gemma":0.9794254,"domain_scores_codex":[0.9982962,0.0002484926,0.0004453582,0.0003868126,0.0001246886,0.0004984327],"domain_scores_gemma":[0.9984931,0.0005897823,0.0001605087,0.0006621823,0.00007121474,0.00002325827],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0001875106,0.00006181705,0.4914583,0.0001207339,0.00007492684,0.00004857703,0.0002565735,0.000002119019,0.5073228,0.00004088509,0.0004159063,0.000009825864],"study_design_scores_gemma":[0.001553932,0.00005831318,0.2725401,0.00006937766,0.00003447623,0.0006467314,0.00008709914,0.00001015761,0.712222,0.00009757393,0.01258129,0.00009902166],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9862257,0.0009102885,0.000004030313,0.01180174,0.0001599568,0.0003935956,0.00006134454,0.00001197611,0.0004313438],"genre_scores_gemma":[0.9791684,0.00002655472,0.00000838287,0.02058039,0.00005548383,0.00001043232,0.000009177126,0.00001740282,0.0001238377],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.354989,"threshold_uncertainty_score":0.52992,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02294377105766094,"score_gpt":0.3140119532565147,"score_spread":0.2910681821988537,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}